Applied mechanics and graphic statics questions with answers
234 multiple-choice questions. Open any question for its answer and explanation.
- A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be
- From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through
- The angles between two forces to make their resultant a minimum and a maximum respectively are
- A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are
- When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are
- Which of the following is a scalar quantity?
- The motion of a particle is described by the relation x = t2 - 10t + 30, where x is in meters and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be
- Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is
- M.I. of solid sphere, is
- The following is not a law of static friction
- A satellite moves in its orbit around the earth due to
- A satellite goes on moving along its orbit round the earth due to
- A bullet weighing 200 g is fired horizontally with a velocity of 25 m/sec from a gun carried on a carriage which together with the gun weighs 100 kg. The velocity of recoil of the gun, will be
- Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for
- If a particle moves with a uniform angular velocity $$\omega $$ radians/sec along the circumference of a circle of radius r, the equation for the velocity of the particle, is
- A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in
- The unit of force in C.G.S. system of units, is called
- If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be
- The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is b and the vertical side is a, from its vertical face is
- Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down
- If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to
- The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is $$\frac{1}{2}$$, the velocities of separation of the balls will be equal to
- When a body of mass M1 is hanging freely and another of mass M2 lying on a smooth inclined plane ($$\alpha $$) are connected by a light index tensile string passing over a smooth pulley, the acceleration of the body of mass M1, will be given by
- If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by
- The resultant of the forces acting on a body will be zero if the body